diff --git a/Makefile b/Makefile
index b7e9182abd72533952f674357b67fcc274454249..ff2e54904aa8b7b19e59f661bb43a5f227ba5bbb 100644
--- a/Makefile
+++ b/Makefile
@@ -46,7 +46,7 @@ init.dev:: pyproject.toml
 	poetry install --with dev
 	poetry run pre-commit autoupdate
 	poetry run pre-commit install
-	cp config/sample.engine-api.ini config/engine-api.ini
+	cp -n config/sample.engine-api.ini config/engine-api.ini
 
 lint::
 	poetry run python3 -m flake8 .